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From Kiran Ayyagari <>
Subject Re: A query on kerberos testing via annotations
Date Thu, 27 Nov 2014 03:44:35 GMT
On Wed, Nov 26, 2014 at 11:20 PM, Colm O hEigeartaigh <>

> Hi,
> Following Emmanuel's excellent talk on LDAP testing at ApacheCon last week,
> I was inspired to switch Apache WSS4J's kerberos integration tests to use
> the annotation based approach, upgrading from Apache DS 1.5.7 -> 2.0.0-M19
> in the process :-)
> his presentation really worked :) , otherwise its been available for more
than 4 years now and not sure
how many know about this feature

> It's working fine but I have some thorny issues regarding ports that I
> wanted to ask for some input on.
> 1) The first problem I faced is that the WSS4J code uses a krb5.conf to
> configure kerberos, where the port of the KDC is specified (hence I can't
> use the kdc system property, which only works with the default port).
> My first thought was to use the build-helper-maven-plugin to reserve a
> port, configure a placeholder in the krb5.conf + substitute the port number
> via filtering, and then pass the port through to the test as a system
> property in the surefire plugin. This works great, however I can't find a
> way to use the port in the @CreateTransport annotation, which insists on
> using a "constant" for the port.
> I've resorted to reading in the krb5.conf in the test class, substituting
> the port manually, and writing it out to target/test-classes + point to
> this instead. Is there a better way?
> AFAIK no, cause it is annotation

> 2) I want to use a random (free) port to run the KDC on. However, if I
> specify "port="-1"" in the annotation, it seems to hang, even though the
> port returned by getKdcServer().getTcpPort() is "1024". If I manually use
> "port=1024" it works fine. This looks like a bug to me, unless I am missing
> something?
> just tested this and worked as expected, which OS and java versions are
you using?

> The test-class is here if anyone wants to try to replicate the latter
> issue:
> (Set port=1024 and it works fine, port=-1 and it hangs).
> Thanks,
> Colm.
> --
> Colm O hEigeartaigh
> Talend Community Coder

Kiran Ayyagari

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